std_string.h revision b0ac937921a2c196d8b9da665135bf6ba01a1ccf
1/*
2*******************************************************************************
3*
4*   Copyright (C) 2009, International Business Machines
5*   Corporation and others.  All Rights Reserved.
6*
7*******************************************************************************
8*   file name:  std_string.h
9*   encoding:   US-ASCII
10*   tab size:   8 (not used)
11*   indentation:4
12*
13*   created on: 2009feb19
14*   created by: Markus W. Scherer
15*/
16
17#ifndef __STD_STRING_H__
18#define __STD_STRING_H__
19
20/**
21 * \file
22 * \brief C++ API: Central ICU header for including the C++ standard <string>
23 *                 header and for related definitions.
24 */
25
26#include "unicode/utypes.h"
27
28/**
29 * \def U_HAVE_STD_STRING
30 * Define whether the standard C++ (STL) <string> header is available.
31 * @draft ICU 4.2
32 */
33#ifndef U_HAVE_STD_STRING
34#define U_HAVE_STD_STRING 1
35#endif
36
37#if U_HAVE_STD_STRING
38
39#include <string>
40
41/**
42 * \def U_STD_NS
43 * Define the namespace to use for standard C++ (STL) classes.
44 * Either std or empty.
45 * @draft ICU 4.2
46 */
47
48/**
49 * \def U_STD_NSQ
50 * Define the namespace qualifier to use for standard C++ (STL) classes.
51 * Either std:: or empty.
52 * For example,
53 *   U_STD_NSQ string StringFromUnicodeString(const UnicodeString &unistr);
54 * @draft ICU 4.2
55 */
56
57/**
58 * \def U_STD_NS_USE
59 * This is used to specify that the rest of the code uses the
60 * standard (STL) namespace.
61 * Either "using namespace std;" or empty.
62 * @draft ICU 4.2
63 */
64#ifndef U_STD_NSQ
65#   if U_HAVE_NAMESPACE
66#       define U_STD_NS std
67#       define U_STD_NSQ U_STD_NS::
68#       define U_STD_NS_USE using namespace U_STD_NS;
69#   else
70#       define U_STD_NS
71#       define U_STD_NSQ
72#       define U_STD_NS_USE
73#   endif
74#endif
75
76#endif  // U_HAVE_STD_STRING
77
78#endif  // __STD_STRING_H__
79